Correction for 'Triamide macrocyclic chloride receptors via a one-pot tandem reduction-condensation-cyclization reaction' by Harekrushna Behera, et al., Org. Biomol. Chem., 2017, DOI: .
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http://dx.doi.org/10.1039/c7ob90081c | DOI Listing |
J Org Chem
December 2024
Department of Chemistry, Illinois State University, Normal, Illinois 61790-4160, United States.
Acid catalyzed condensation of -alkyltripyrranes with trialdehydes derived from 1,3-cyclopentadiene or methyl-1,3-cyclopentadiene, followed by oxidation with aqueous ferric chloride solutions, gave 23-alkyl-21-carbaporphyrin-2-carbaldehydes in 22-27% yield together with weakly aromatic oxycarbaporphyrins. The carbaporphyrins reacted with palladium(II) acetate or nickel(II) acetate to give organometallic complexes but in both cases alkyl group migration took place to generate 21-alkyl derivatives. Although this type of reactivity had been observed previously for palladium complexes, this is the first time the phenomenon has been seen in nickel(II) carbaporphyrins.
View Article and Find Full Text PDFChem Asian J
December 2024
Department of Pure and Applied Sciences, University of Urbino Carlo Bo, via Ca' le Suore 2-4, 61029, Urbino, Italy.
The synthesis and characterization of a novel bis-urea-based cage receptor for anions (3S,15S)-3,15,20,25-tetramethyl-1,4,6,12,14,17,20,25-octaazatricyclo[15.5.5.
View Article and Find Full Text PDFThe complex distribution of functional groups in carbohydrates, coupled with their strong solvation in water, makes them challenging targets for synthetic receptors. Despite extensive research into various molecular frameworks, most synthetic carbohydrate receptors have exhibited low affinities, and their interactions with sugars in aqueous environments remain poorly understood. In this work, we present a simple pyridinium-based hydrogen-bonding receptor derived from a subtle structural modification of a well-known tetralactam macrocycle.
View Article and Find Full Text PDFRSC Adv
October 2024
Oakland University, Department of Chemistry 146 Library Drive Rochester MI 48309-4479 USA
Macromolecules
October 2024
Material Research and Technology Department, Luxembourg Institute of Science and Technology, 28 Avenue des Hauts-Fourneaux, 4362 Esch-sur-Alzette, Luxembourg.
Oxidative chemical vapor deposition (oCVD) stands as an attractive approach for the synthesis, engineering, and integration of conjugated polymers for advanced electronic and optoelectronic applications. In oCVD, the oxidant significantly influences the conformational and optoelectronic properties of the resulting conjugated polymer thin films. In this work, triflate salts of iron(III) and copper(II) (Fe(OTf) and Cu(OTf), respectively) are investigated for the first time as suitable alternative oxidants to the widely used iron(III) chloride (FeCl) for the oCVD of conjugated polymers.
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